GENERAL DESCRIPTION

The ADV7181 integrated video decoder automatically detects and converts a standard analog baseband television signal compatible with worldwide standards NTSC, PAL, and SECAM into 4:2:2 component video data compatible with 16-/8-bit CCIR601/CCIR656.

FEATURES

Multiformat video decoder supports NTSC-(M, N, 4.43), PAL-(B/D/G/H/I/M/N), SECAM

Integrates three 54 MHz, 9-bit ADCs

Clocked from a single 27 MHz crystal

Line-locked clock compatible (LLC)

Adaptive Digital Line Length Tracking (ADLLT™)

5-line adaptive comb filters

Proprietary architecture for locking to weak, noisy, and unstable video sources such as VCRs and tuners

Subcarrier frequency lock and status information output

Integrated AGC with adaptive peak white mode

Macrovision® copy protection detection

CTI (chroma transient improvement)

DNR (digital noise reduction)

Multiple programmable analog input formats:

    CVBS (composite video)

    S-Video (Y/C)

    YPrPb component (VESA, MII, SMPTE, and BetaCam)

6 analog video input channels

Automatic NTSC/PAL/SECAM identification

Digital output formats (8-bit or16-bit): ITU-R BT.656 YCrCb 4:2:2 output + HS, VS, and FIELD

0.5 V to 1.6 V analog signal input range

Differential gain: 0.6% typ